How to install:
1) Extract file from .zip
2) Install OmniGraffle from .DMG file
3) When asked fro licence don't do anything (Do not close the window)
4) Now go to the keymaker and drag it to your applications folder and do the following steps
4a) Open up Terminal
4b) Copy paste or type the text below into your Terminal
4b.1) chmod +x /Applications/keygen.app/Contents/MacOS/keygen
4c) Press return(enter), and now just relaunch the keygen and press generate.
5) Copy the name and serial into the app
6) You're DONE!!! :)